Finding the Fourth Proportional to 126,225.15, 189,282.33 and 47,283.99
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Solution
The fourth proportional to 126,225.15, 189,282.33 and 47,283.99 is: 70,905.23
Step by Step Solution
- Step 1: Write the proportion equation
126,225.15 : 189,282.33 = 47,283.99 : x - Step 2: Convert to fraction form
126,225.15/189,282.33 = 47,283.99/x - Step 3: Cross multiply
126,225.15x = 189,282.33 × 47,283.99 - Step 4: Simplify right side
126,225.15x = 8,950,023,798.90 - Step 5: Solve for x
x = 8,950,023,798.90/126,225.15 - Step 6: Final answer
x = 70,905.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.